100228878216 has 96 divisors (see below), whose sum is σ = 274263874560. Its totient is φ = 33064327296.

The previous prime is 100228878179. The next prime is 100228878227. The reversal of 100228878216 is 612878822001.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8414521 + ... + 8426423.

It is an arithmetic number, because the mean of its divisors is an integer number (2856915360).

Almost surely, 2^100228878216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100228878216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137131937280).

100228878216 is an abundant number, since it is smaller than the sum of its proper divisors (174034996344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100228878216 is a wasteful number, since it uses less digits than its factorization.

100228878216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13115 (or 13108 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The spelling of 100228878216 in words is "one hundred billion, two hundred twenty-eight million, eight hundred seventy-eight thousand, two hundred sixteen".